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What is the Least Common Multiple of 40553 and 40570?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 40553 and 40570 is 1645235210.

LCM(40553,40570) = 1645235210

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Least Common Multiple of 40553 and 40570 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40553 and 40570, than apply into the LCM equation.

GCF(40553,40570) = 1
LCM(40553,40570) = ( 40553 × 40570) / 1
LCM(40553,40570) = 1645235210 / 1
LCM(40553,40570) = 1645235210

Least Common Multiple (LCM) of 40553 and 40570 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40553 and 40570. First we will calculate the prime factors of 40553 and 40570.

Prime Factorization of 40553

Prime factors of 40553 are 107, 379. Prime factorization of 40553 in exponential form is:

40553 = 1071 × 3791

Prime Factorization of 40570

Prime factors of 40570 are 2, 5, 4057. Prime factorization of 40570 in exponential form is:

40570 = 21 × 51 × 40571

Now multiplying the highest exponent prime factors to calculate the LCM of 40553 and 40570.

LCM(40553,40570) = 1071 × 3791 × 21 × 51 × 40571
LCM(40553,40570) = 1645235210